diff --git a/ext/session/mod_files.sh b/ext/session/mod_files.sh
old mode 100644
new mode 100755
index 1d2672847c6e8..1f5ae2a49ccd6
--- a/ext/session/mod_files.sh
+++ b/ext/session/mod_files.sh
@@ -1,5 +1,4 @@
-#! /bin/sh
-
+#!/bin/sh
 if test "$2" = ""; then
 	echo "usage: $0 basedir depth"
 	exit 1
@@ -9,16 +8,38 @@ if test "$2" = "0"; then
 	exit 0
 fi
 
+if test -z "$3"; then
+        param3=0
+
+	#Test of interactive shell terminl
+	if tty -s; then
+		echo "Are you sure to create sessions tree dirs
+in $1 root path with $2 depth? (Y|N)" 
+		read input
+		if test "$input" != "Y"; then
+			echo "Exit without process"
+			exit 0
+		fi
+	fi
+	echo "$0: Processing $1 with $2 depth...."
+else
+        param3=$3
+fi
+
 hash_chars="0 1 2 3 4 5 6 7 8 9 a b c d e f"
-if test "$3" -a "$3" -ge "5"; then
+if test "$param3" -a "$param3" -ge "5"; then
   hash_chars="$hash_chars g h i j k l m n o p q r s t u v"
-  if test "$3" -eq "6"; then
+  if test "$param3" -eq "6"; then
     hash_chars="$hash_chars w x y z A B C D E F G H I J K L M N O P Q R S T U V W X Y Z - ,"
   fi
 fi
 
 for i in $hash_chars; do
 	newpath="$1/$i"
-	mkdir $newpath || exit 1
-	sh $0 $newpath `expr $2 - 1` $3
+	mkdir -p $newpath || exit 1
+	sh $0 $newpath `expr $2 - 1` $param3
 done
+
+if test -z "$3"; then
+	echo "$0: Done"
+fi